Area Code 231
Michigan area code 231 has been in service since 1999. It has 287 landlines and 112 wireless prefixes (exchanges) serviced by 37 carriers. It covers 24 counties, 593 ZIP codes, and 129 cities, including Muskegon, Traverse City, Ludington, Cadillac, Petoskey, Cheboygan, Manistee, Big Rapids, and Harbor Springs.
- State:
- Michigan
- Time Zone:
- Eastern (4:46 am)
Area Code (231) has 399 prefixes
| Prefix | County | City | Company/Carrier | Line Type |
|---|---|---|---|---|
| (231) 206- | Muskegon | Muskegon | Nextel Communications, Inc. | Cell Phone |
| (231) 207- | Grand Traverse | Traverse City | Telnet Worldwide, Inc. | Landline |
| (231) 209- | Grand Traverse | Traverse City | Telnet Worldwide, Inc. | Landline |
| (231) 215- | Muskegon | Muskegon | Cellco Partnership Dba Veri... | Cell Phone |
| (231) 218- | Grand Traverse | Traverse City | Nextel Communications, Inc. | Cell Phone |
| (231) 219- | Mecosta | Big Rapids | Telnet Worldwide, Inc. | Landline |
| (231) 220- | Muskegon | Muskegon | Local Exchange Carriers Of ... | Landline |
| (231) 221- | Muskegon | Muskegon | Unknown | Landline |
| (231) 222- | Charlevoix | East Jordan | Level 3 Communications, Llc... | Landline |
| (231) 223- | Grand Traverse | Traverse City | Peninsula Telephone Co. | Landline |
| (231) 224- | Leelanau | Peshawbestown | Lucre, Inc. | Landline |
| (231) 225- | Kent | Grand Rapids | Level 3 Communications, Llc... | Landline |
| (231) 228- | Leelanau | Cedar | Centurytel Of Michigan, Inc. | Cell Phone |
| (231) 229- | Missaukee | Lake City | Centurytel Of Michigan, Inc. | Cell Phone |
| (231) 232- | Grand Traverse | Traverse City | Telnet Worldwide, Inc. | Landline |
| (231) 233- | Mason | Ludington | Alltel Communications, Inc.... | Cell Phone |
| (231) 234- | Kent | Grand Rapids | Unknown | Landline |
| (231) 235- | Muskegon | Muskegon | Telnet Worldwide, Inc. | Landline |
| (231) 236- | Muskegon | Muskegon | Telnet Worldwide, Inc. | Landline |
| (231) 237- | Charlevoix | Charlevoix | Ameritech Michigan | Landline |
| (231) 238- | Cheboygan | Indian River | Ameritech Michigan | Landline |
| (231) 239- | Grand Traverse | Traverse City | Centurytel Wireless, Inc.-mi | Cell Phone |
| (231) 240- | Mason | Ludington | Telnet Worldwide, Inc. | Landline |
| (231) 241- | Grand Traverse | Traverse City | Daystarr, Llc Dba Daystarr ... | Landline |
| (231) 242- | Emmet | Harbor Point | Ameritech Michigan | Landline |
| (231) 243- | Grand Traverse | Traverse City | Telnet Worldwide, Inc. | Landline |
| (231) 248- | Los Angeles | San Dimas | Unknown | Landline |
| (231) 249- | Mason | Ludington | Lucre, Inc. | Landline |
| (231) 250- | Mecosta | Big Rapids | Alltel Communications, Inc.... | Cell Phone |
| (231) 256- | Leelanau | Lake Leelanau | Ameritech Michigan | Landline |
| (231) 258- | Kalkaska | Kalkaska | Ameritech Michigan | Landline |
| (231) 259- | Oceana | Shelby | Charter Fiberlink - Michiga... | Landline |
| (231) 262- | Antrim | Mancelona | Acd Telecom, Inc. - Mi | Landline |
| (231) 263- | Grand Traverse | Kingsley | Century Telephone Co. Of No... | Landline |
| (231) 264- | Antrim | Elk Rapids | Ameritech Michigan | Landline |
| (231) 266- | Lake | Irons | Ameritech Michigan | Landline |
| (231) 267- | Grand Traverse | Williamsburg | Ameritech Michigan | Landline |
| (231) 268- | Cheboygan | Cheboygan | Centurytel Wireless, Inc.-mi | Cell Phone |
| (231) 269- | Wexford | Buckley | Ace Telephone Co. Of Michig... | Landline |
| (231) 271- | Leelanau | Peshawbestown | Centurytel Of Michigan, Inc. | Cell Phone |
| (231) 275- | Grand Traverse | Interlochen | Centurytel Of Michigan, Inc. | Cell Phone |
| (231) 276- | Grand Traverse | Grawn | Ameritech Michigan | Landline |
| (231) 282- | Newaygo | Grant | Cellco Partnership Dba Veri... | Cell Phone |
| (231) 286- | Muskegon | Muskegon | Cellco Partnership Dba Veri... | Cell Phone |
| (231) 287- | Newaygo | Croton | Centurytel Wireless, Inc.-mi | Cell Phone |
| (231) 288- | Muskegon | Muskegon | New Cingular Wireless Pcs, ... | Cell Phone |
| (231) 290- | Charlevoix | Boyne City | Dobson Cellular Systems, Inc. | Cell Phone |
| (231) 292- | Mecosta | Big Rapids | Unknown | Landline |
| (231) 293- | Ottawa | Spring Lake | Unknown | Landline |
| (231) 294- | Newaygo | Fremont | Unknown | Landline |
| (231) 296- | Muskegon | Muskegon | Unknown | Landline |
| (231) 301- | Oceana | Hart | Cellco Partnership Dba Veri... | Cell Phone |
| (231) 307- | Mecosta | Morley | Centennial Michiana License... | Cell Phone |
| (231) 308- | Manistee | Manistee | Telnet Worldwide, Inc. | Landline |
| (231) 313- | Grand Traverse | Traverse City | Dobson Cellular Systems, Inc. | Cell Phone |
| (231) 316- | Grand Traverse | Traverse City | Telnet Worldwide, Inc. | Landline |
| (231) 318- | Ottawa | Coopersville | Arch Wireless Holdings, Inc. | Cell Phone |
| (231) 322- | Kalkaska | Rapid City | Verizon North Inc.-mi | Landline |
| (231) 323- | Cheboygan | Indian River | Lucre, Inc. | Landline |
| (231) 325- | Benzie | Honor | Centurytel Of Michigan, Inc. | Cell Phone |
| (231) 326- | Leelanau | Empire | Centurytel Of Michigan, Inc. | Cell Phone |
| (231) 327- | Muskegon | Muskegon | Centurytel Wireless, Inc.-mi | Cell Phone |
| (231) 328- | Missaukee | Merritt | Centurytel Of Michigan, Inc. | Cell Phone |
| (231) 329- | Muskegon | Muskegon | Alltel Communications, Inc.... | Cell Phone |
| (231) 330- | Emmet | Bay Harbor | Alltel Communications, Inc.... | Cell Phone |
| (231) 331- | Antrim | Alden | Verizon North Inc.-mi | Landline |
| (231) 332- | Muskegon | Muskegon | Telnet Worldwide, Inc. | Landline |
| (231) 333- | Cheboygan | Cheboygan | Level 3 Communications, Llc... | Landline |
| (231) 334- | Leelanau | Glen Arbor | Centurytel Of Michigan, Inc. | Cell Phone |
| (231) 335- | Newaygo | Fremont | Centennial Michiana License... | Cell Phone |
| (231) 337- | Muskegon | Muskegon | Lucre, Inc. | Landline |
| (231) 338- | Benzie | Frankfort | Lucre, Inc. | Landline |
| (231) 340- | Bedford | Bedford | Alltel Communications, Inc.... | Cell Phone |
| (231) 342- | Grand Traverse | Traverse City | Alltel Communications, Inc.... | Cell Phone |
| (231) 343- | Muskegon | Muskegon | Sprint Spectrum L.p.- Mi | Cell Phone |
| (231) 344- | Grand Traverse | Traverse City | Telnet Worldwide, Inc. | Landline |
| (231) 345- | Muskegon | Muskegon | Lucre, Inc. | Landline |
| (231) 346- | Leelanau | Glen Arbor | Telnet Worldwide, Inc. | Landline |
| (231) 347- | Emmet | Bay Harbor | Ameritech Michigan | Landline |
| (231) 348- | Emmet | Bay Harbor | Ameritech Michigan | Landline |
| (231) 349- | Mecosta | Mecosta | Alltel Communications, Inc.... | Cell Phone |
| (231) 350- | Antrim | Bellaire | Alltel Communications, Inc.... | Cell Phone |
| (231) 351- | Muskegon | Muskegon | Telnet Worldwide, Inc. | Landline |
| (231) 352- | Benzie | Frankfort | Ameritech Michigan | Landline |
| (231) 353- | Baraga | Baraga | Telnet Worldwide, Inc. | Landline |
| (231) 354- | Montcalm | Coral | Ameritech Michigan | Landline |
| (231) 355- | Muskegon | Muskegon | Telnet Worldwide, Inc. | Landline |
| (231) 356- | Cheboygan | Cheboygan | Telnet Worldwide, Inc. | Landline |
| (231) 357- | Grand Traverse | Traverse City | Alltel Communications, Inc.... | Cell Phone |
| (231) 358- | Grand Traverse | Traverse City | Telnet Worldwide, Inc. | Landline |
| (231) 360- | Grand Traverse | Traverse City | Dobson Cellular Systems, Inc. | Cell Phone |
| (231) 361- | Osceola | Reed City | Telnet Worldwide, Inc. | Landline |
| (231) 362- | Manistee | Kaleva | Kaleva Telephone Co. | Landline |
| (231) 363- | Manistee | Kaleva | Telnet Worldwide, Inc. | Landline |
| (231) 364- | Kent | Grand Rapids | Unknown | Landline |
| (231) 365- | Antrim | Eastport | Telnet Worldwide, Inc. | Landline |
| (231) 366- | Muskegon | Fruitport | Level 3 Communications, Llc... | Landline |
| (231) 368- | Kalkaska | Fife Lake | Telnet Worldwide, Inc. | Landline |
| (231) 369- | Kalkaska | South Boardman | Ace Telephone Co. Of Michig... | Landline |
| (231) 372- | Wexford | Cadillac | Telnet Worldwide, Inc. | Landline |
